package com.itheima.service;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.dao.PermissionDao;
import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.pojo.Permission;
import org.springframework.beans.factory.annotation.Autowired;
import com.itheima.dao.PermissionDao;
import com.itheima.pojo.Permission;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;

@Service
public class PermissionServiceImpl implements  PermissionService {
    @Autowired
    private PermissionDao permissionDao;

    @Override
    public void add(Permission permission) {
        permissionDao.add(permission);
    }

    @Override
    public PageResult findPage(QueryPageBean queryPageBean) {
        //1.开始分页
        PageHelper.startPage(queryPageBean.getCurrentPage(),queryPageBean.getPageSize());
        //2.条件查询
        Page<Permission> page = permissionDao.findByCondition(queryPageBean.getQueryString());
        return new PageResult(page.getTotal(),page);
    }

    @Override
    public void delById(Integer id) {
        long count = permissionDao.findCountById(id);
        if(count > 0) {
            //说明被关联
            throw new RuntimeException("该权限被角色关联，不能删除！！");
        }else {
            permissionDao.delById(id);
        }
    }

    @Override
    public Permission findById(Integer id) {
        return permissionDao.findById(id);

    }

    @Override
    public void edit(Permission permission) {
        permissionDao.edit(permission);


    }

    @Override
    public List<Permission> findPermission() {
        return permissionDao.findPermission();
    }
}
